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One side is connected to a flexible supply hose; the other may be attached to a manifold, valve, tool, or another hose. A female coupler is used on the supply side, and a male nipple is used on the receiving side. Fitting profiles have identifiable geometry on the male end, but care must be taken to use a compatible coupler.
Attack hose is a fabric-covered, flexible hose used to bring water from the fire pumper to the nozzle. This hose ranges in nominal inside diameter from 1.5 to 3 in (38 to 76 mm) and is designed to operate at pressures up to about 400 psi (2,760 kPa). The standard length is 50 ft (15.24 m). [12] Supply and relay hoses
5-inch (13 cm) flex suction hose with Storz fittings, mounted on an engine. Flexible suction hose (Flex suction or suction hose), not to be confused with hard suction hose in U.S., is a specific type of fire hose used in drafting operations, when a fire engine uses a vacuum to draw water from a portable water tank, pool, or other static water source.
The 1933 report of the National Screw Thread Commission mentions 3 ⁄ 4-inch hose and 1-inch hose on the same line, labeling them "Chemical engine and booster hose", with the other sizes labeled "Fire-protection hose". 1-inch hose with 1-11.5NPSH ASME threads; 1 + 1 ⁄ 4-inch hose with 1 + 1 ⁄ 4-11.5NPSH ASME threads
Accordion load – The hose is loaded so that when it is flat, it is standing on end. The finished load resembles an accordion. Flat load – The flat hose is simply placed in the track so that it is stacked. Most large supply lines coming off the back of the fire apparatus are stored using a flat load because of ease of deployment and re ...
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To begin the operation of the fireplace unit, the user must turn on the gas supply and ignite the burners. Once this is done, the unit will operate completely autonomously until the gas supply to the burners is shut off. While in operation, convection will cause the hot air in the firebox to rise to the top of the firebox. As the amount of hot ...
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